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  1. General BMW Questions
    I have a 2014 550i with 90k miles. Should I use semi-synthetic oil now? Non-synthetic oil can cause engine sludge, but if I use top-tier gasoline, will this offset the sludge build up and be the best way to extend the life of my vehicle? two part question here-
  2. E39 (1997 - 2003)
    Hey Gents, Was thinking of removing and replacing my PS fluid using the turkey baster method. Any suggestions on what type of ATF fluid I should use? I was debating in which to use: Castrol Multi-Vehicle (Non-Syn) or the Castrol Transmax ATF4 (Full Synthetic). What do you guys use? Thanks...
  3. E30 (1982 - 1993)
    Hello everyone! It's been a while since I've posted, and much has changed. ***128076; I've found myself a mint condition alpine white e30 325i, that i want the very best for! The oil that the previous owner was using was a non synthetic 20w 50.... Which in my opinion is pretty heavy. But...
  4. X3 E83 (2004 - 2010)
    Hi guys, I'm planning to do DIY on changing engine oil with my 2.5i 2005 X3. My plan is to: - drain out the old oil fully out - flush out the empty oil tank with cheap(er) 'new-clean' oil - pour in 'new-clean' castrol synthetic oil And just wondering, how many litres of the synthetic oil do...
  5. Tools and Miscellaneous
    $80 total pick up only La Jolla, CA near UCSD campus PM if interested
  6. E36 (1991 - 1999)
    Hey guys i have a 1995 325is with 168*** and im changing my oil.i want synthetic but would give me more power and good for my motor! does anyone have any suggestions??
1-6 of 6 Results